alexclabbs Posted January 30, 2017 Share Posted January 30, 2017 Hi People, For some reason my heating is constantly blowing in my car, it only seems to be the windscreen heater that is blowing and when i change the heating on the dial it stops for 5 seconds and carries on again. Any ideas why this is happening, could it be a loose cable behind the dash? It seems that it started after a mechanic had to get behind the dash so I guess it could be a plug? Iv'e tried looking but can see anything suspicious. Cheers, Alex 1 Quote Link to comment Share on other sites More sharing options...
Paddy78 Posted January 30, 2017 Share Posted January 30, 2017 On the 350, if you don't put the plug back in correctly the fan blows full power. The fact that someone has disconnected means that there is almost certainly something lose. Might be worth checking everything again? Quote Link to comment Share on other sites More sharing options...
alexclabbs Posted January 30, 2017 Author Share Posted January 30, 2017 Thanks for the response Paddy, I unplugged the ribbon cable from the dials back and plugged them back into white AC controller to see if there was a loose connection but that didn't do anything and the heating turns off for a few seconds when i turn the dial or switch AC on so I'm guessing its not the ribbon cable as there is a connection. Is there another cable behind the dash that is heater related? Quote Link to comment Share on other sites More sharing options...
alexclabbs Posted January 30, 2017 Author Share Posted January 30, 2017 My bad looks like I put it under 370z, any chance of this being moved to 350z technical? Quote Link to comment Share on other sites More sharing options...
Will370z Posted January 30, 2017 Share Posted January 30, 2017 Done Quote Link to comment Share on other sites More sharing options...
alexclabbs Posted March 26, 2017 Author Share Posted March 26, 2017 Thanks for that, so the car has been sitting on the drive for a few months now as I've been having to drive further to work. I'm out of ideas on what it could be now, from what I can see all the cables are plugged in, the ribbon cable is plugged in and the cables in the back of the control unit are too, anyone got any ideas before I have to take it to Nissan? Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted March 26, 2017 Share Posted March 26, 2017 As well as the ribbon, there are also connectors at the rear of the white box. Quote Link to comment Share on other sites More sharing options...
alexclabbs Posted March 26, 2017 Author Share Posted March 26, 2017 Hi Alex, The three at the back are plugged in, that's what is baffling me as they're all plugin in on the control unit, the heater blows but when you turn a dial it stops for two seconds and starts blowing again, so unusual. Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted March 26, 2017 Share Posted March 26, 2017 Damaged ribbon perhaps? Quote Link to comment Share on other sites More sharing options...
alexclabbs Posted March 26, 2017 Author Share Posted March 26, 2017 Yeah I think I'm going to need to do a part by part replacement to find the issue, just had a quick look and found two cables that aren't plugged in (images below), don't know if they have anything to do with the heating system though. https://ibb.co/hZCyOv https://ibb.co/bWmQ3v https://ibb.co/cgoGAa Quote Link to comment Share on other sites More sharing options...
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